Vulnerability in Pengutronix Rauc

CVE-2020-25860

The install.c module in the Pengutronix RAUC update client prior to version 1.5 has a Time-of-Check Time-of-Use vulnerability, where signature verification on an update file takes place before the file is reopened for installation. An atta…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.014 (69.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-25860?
CVE-2020-25860 is a medium-severity vulnerability in Pengutronix Rauc, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.6/10. Published 2020-12-21.
How severe is CVE-2020-25860?
Medium severity. CVSS v3 base score is 6.6 out of 10.
Is CVE-2020-25860 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.